diff --git a/db/tasks.php b/db/tasks.php
index 1868d634..3a1003c1 100644
--- a/db/tasks.php
+++ b/db/tasks.php
@@ -29,7 +29,7 @@
     [
         'classname' => 'mod_kanban\task\reminder',
         'blocking' => 0,
-        'minute' => '*',
+        'minute' => '*/5',
         'hour' => '*',
         'day' => '*',
         'month' => '*',